Once a fire is detected the engine should be slowed downOn no account _____.A.the trunking
公共英语
已帮助 人
Once a fire is detected the engine should be slowed downOn no account _____.
A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up
请帮忙给出正确答案和分析，谢谢！